clean up imports

Author: oconnor663

src/lib.rs

@@ -89,6 +89,7 @@
 //! ```
 
 use shared_child::SharedChild;
+use shared_thread::SharedThread;
 use std::collections::HashMap;
 use std::ffi::{OsStr, OsString};
 use std::fmt;
@@ -109,8 +110,6 @@ use std::os::windows::prelude::*;
 #[cfg(unix)]
 pub mod unix;
 
-use shared_thread::SharedThread;
-
 // enums defined below
 use ExpressionInner::*;
 use IoExpressionInner::*;